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10 Essential Facts About Life Expectancy

June 10, 2016

There’s no crystal ball that can predict how long we’ll live, but there are numbers out there that can serve as a guide.

“Life expectancy is the average number of years that a group of persons in a population is expected to live,” says Elizabeth Arias, PhD, leader of the statistical analysis research team in the mortality statistics branch of the National Center for Health Statistics (NCHS). Estimates of life expectancy derive from national averages, and the Social Security’s online calculator is one source of that data. The NCHS, a division of the Centers for Disease Control and Prevention (CDC), is another; its researchers use population counts and death certificates to create life-expectancy tables. “Its basic information is a death rate that comes from the actual number of deaths that occur in a particular year,” explains Dr. Arias.

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From → Health & Safety

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